1 Flashcards by Yummy Yananana

Q

first true periodic table

A

antoine lavoisier

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Q

triad

A

johann dobereiner

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Q

octaves

A

newland

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Q

phys and chem properties are periodic fx of their atomic wt

A

meyer & mendeleev

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Q

modern periodic table

A

henry moseley

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Q

period total

A

7

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Q

family/grp total

A

18

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Q

how many elements

A

118

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Q

lightest element

A

hydrogen

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Q

lightest metal

A

lithium

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Q

2nd lightest element

A

helium

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Q

densest element

A

osmium

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Q

liquid metal

A

mercury

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Q

inert gases

A

he, ne, ar, kr, xe, rn, uuo

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Q

diatomic elements

A

I F H O N Cl Br

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Q

most abundant noble gas

A

argon

Q

least abundant noble gas

A

xenon

Q

most abundant element on earth

A

oxygen

Q

2nd most abundant element on earth

A

silicon

Q

3rd most abundant element on earth

A

aluminum

Q

most abundant metal on earth

A

aluminum

Q

most abundant intracellular cation

A

potassium

Q

most abundant extracellular cation

A

sodium

Q

2nd most abundant extracellular

A

calcium

Q

2nd most abundant intracellular

A

magnesium

Q

most abundant gas in air

A

nitrogen

Q

most abundant hydrogen isotope

A

protium

Q

most toxix metal

A

beryllium

Q

most impt element in engineering

A

iron

Q

king of all metals

A

gold

Q

king of all elements

A

carbon

Q

representative elements: what block?

A

s block, p block

Q

transition metals : what block?

A

d block

Q

inner transition elements? what block?

A

lanthanide and actinide series, f block